CN219219122U - Rear-mounted semi-self-adhesive cross-shaped buried water stop structure - Google Patents

Abstract

The utility model discloses a rear-mounted semi-self-adhesive cross-shaped buried water stop structure which comprises a main belt body, wherein the main belt body is cross-shaped, a plurality of cavities are formed in the middle of the main belt body, and separation seams are formed between the cavities. The beneficial effects of the utility model are as follows: the main belt body is in a cross shape and is provided with cavities, and separation seams are arranged between every two cavities, so that the stretching and compression deformation capacity of the buried water stop is improved, and the main belt body has a self-closing water function when being deformed in opposite directions or separated and deformed, and water seepage is avoided.

Description

Rear-mounted semi-self-adhesive cross-shaped buried water stop structure

Technical Field

The utility model relates to the technical field of waterproofing of tunnels and underground engineering, in particular to a rear-mounted semi-self-adhesive cross-shaped buried water stop structure.

Background

At present, the tunnel and the underground engineering generally adopt a principle that a structural main body is waterproof and the waterproofing of detail structures such as a construction joint, a deformation joint and the like is important. However, due to construction and technology level, shrinkage and creep of concrete, performance difference of waterproof materials and concrete and the like, defects appear in detail waterproof, and detail water leakage of construction joints, deformation joints and the like becomes an outstanding engineering problem of current tunnels and underground engineering. The tunnel and the underground engineering are mostly in reinforced concrete structures, groundwater invades the structural body, so that reinforcement corrosion, concrete degradation and structural durability are damaged, normal operation of the tunnel and the underground engineering is affected, and operation cost is increased.

The existing embedded water stop positioning technology has the problems that the embedded water stop is easy to shift, twist, fold and the like during construction due to the level difference of constructors, and the problems that the structure thickness is insufficient, concrete filling is not compact and the like occur around the embedded water stop are caused, so that the embedded water stop is often a water seepage channel. Through long-term researches of the inventor, a rear-mounted semi-self-adhesive cross-shaped buried water stop structure is invented.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a rear-mounted semi-self-adhesive cross-shaped buried water stop structure.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a buried waterstop structure in half self-adhesion cross of back installation, includes the main belt body, and the main belt body is "cross", and a plurality of cavitys have been seted up at the main belt body middle part, and are provided with the separation seam between every cavity.

Preferably, the main belt body comprises an upper convex body, a lower convex body, a left convex body and a right convex body, wherein the upper convex body, the lower convex body, the left convex body and the right convex body are in a cross shape together, the left convex body is fixedly connected with the pre-pouring structure, and the right convex body is fixedly connected with the post-pouring mechanism.

Preferably, the upper portion of the upper boss has a length greater than a length of the lower portion of the upper boss.

Preferably, the upper length of the lower protrusion is less than the lower length of the lower protrusion.

Preferably, the outer end of the left convex body is provided with a structural adhesive layer.

Preferably, a reserved groove is formed in the pre-pouring structure, and a structural adhesive layer is arranged in the reserved groove.

Preferably, the left convex body is trapezoid, round or elliptic.

Preferably, the right convex body is trapezoid, round or elliptic.

Preferably, the outer end of the right convex body is provided with a self-adhesive layer.

Preferably, the outer side surface of the self-adhesive layer is provided with an isolation protective film.

The utility model has the following advantages: the main belt body is in a cross shape and is provided with the cavities, and the separation slits are arranged between the cavities, so that the stretching and compression deformation capacity of the embedded water stop belt is improved, and the main belt body has a self-closing water function and water seepage is avoided when the main belt body deforms in opposite directions or separates and deforms.

Drawings

FIG. 1 is a schematic view of a structure of a buried water stop;

FIG. 2 is a schematic structural view showing the use state of the buried water stop;

in the figure, a main belt body 1, an upper convex body 2, a lower convex body 3, a left convex body 4, a right convex body 5, a cavity 6, a separation joint 7, a structural adhesive layer 8, a self-adhesive layer 9 and a separation protective film 10.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, in terms of "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., the azimuth or positional relationship is based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship conventionally put in use of the inventive product, or the azimuth or positional relationship conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplicity of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In this embodiment, the direction of the pre-cast structure is left, as shown in fig. 1, a semi-self-adhesive cross-shaped buried water stop structure installed at the back comprises a main belt body 1, the main belt body 1 is in a cross shape, a plurality of cavities 6 are formed in the middle of the main belt body 1, and separation seams 7 are formed between each cavity 6. The main belt body 1 is in a cross shape and is provided with cavities 6, and a separation slit 7 is arranged between each cavity 6, so that the stretching and compression deformation capacity of the embedded water stop belt is improved, and when the main belt body 1 deforms in opposite directions or separates and deforms, the main belt body 1 has a self-closing water function, specifically, as the cavity 6 and the separation slit 7 are arranged in the middle of the main belt body 1, when structures on two sides deform in opposite directions, the main belt body 1 is extruded, so that the upper convex body 2, the lower convex body 3, the left convex body 4 and the right convex body 5 are tightly adhered to the structures, and strong pressure is generated, and the water stop effect is achieved; when the structures on two sides are separated and deformed, the upper convex body 2 and the lower convex body 3 are pulled away from the separation joint 7, so that the upper convex body 2 and the lower convex body 3 are tightly attached to the structure, the large separation deformation capacity can be born, and the effect of self-closing water can be achieved. In the present embodiment, the cavity 6 and the separation slit 7 each extend in the longitudinal direction of the main belt body 1.

In this embodiment, as shown in fig. 2, the main belt body 1 includes an upper convex body 2, a lower convex body 3, a left convex body 4 and a right convex body 5, and the upper convex body 2, the lower convex body 3, the left convex body 4 and the right convex body 5 are in a cross shape together, and further, the upper length of the upper convex body 2 is greater than the lower length of the upper convex body 2. Still further, the upper length of the lower protrusion 3 is smaller than the lower length of the lower protrusion 3. The left convex body 4 is fixedly connected with the pre-pouring structure, and preferably, the outer end of the left convex body 4 is provided with a structural adhesive layer 8, and the right convex body 5 is fixedly connected with the post-pouring mechanism. Specifically speaking, the both ends of the thickness direction of the main belt body 1 are provided with an upper convex body 2 and a lower convex body 3, and the upper convex body 2 and the lower convex body 3 extend along the length direction of the main belt body 1, the both ends of the width direction of the main belt body 1 are provided with a left convex body 4 and a right convex body 5, and the left convex body 4 and the right convex body 5 also extend along the length direction of the main belt body 1, and when in installation, a reserved groove (not shown in the figure) is arranged in the casting structure, so that the left convex body 4 is fixedly installed in the reserved groove after passing through the structural adhesive layer 8, thereby ensuring accurate positioning, and the installation process is simple by installing the left convex body 4 in the reserved groove.

In this embodiment, a pre-groove is formed in the pre-cast structure, and a structural adhesive layer 8 is disposed in the pre-groove. That is, the structural adhesive layer 8 can flexibly select whether to be arranged in the reserved groove or the outer end of the left convex body 4 according to practical situations, when the structural adhesive layer is arranged in the reserved groove, the reserved groove needs to be polished and cleaned firstly, three sides of the reserved groove are covered by the structural adhesive, and then the left convex body 4 is pressed into the reserved groove.

In this embodiment, the left protrusion 4 has a trapezoid shape, a circular shape or an elliptical shape. Further, the right convex body 5 is trapezoid, round or elliptic. Specifically, the left convex body 4 and the right convex body 5 have the same structure, that is, when the left convex body 4 is configured in a trapezoid, the right convex body 5 is also configured in a trapezoid, and the circular shape and the elliptical shape are the same, so that the description thereof will not be repeated.

Further, the outer end of the right convex body 5 is provided with a self-adhesive layer 9. Still further, the outer side of the self-adhesive layer 9 is provided with an isolating protective film 10, and the isolating protective film 10 has the main function of protecting the self-adhesive layer 9 from being damaged. Specifically, after the left convex body 4 is fixedly installed in the reserved groove of the pre-cast structure, the isolation protective film 10 is uncovered, then the post-cast structure is cast, and after the post-cast structure is cast, the self-adhesive layer 9 is integrated with the post-cast structure, so that the right convex body 5 is fixedly installed on the post-cast structure.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (10)

1. Buried waterstop structure in half self-adhesion cross of back installation, its characterized in that: the novel belt comprises a main belt body (1), wherein the main belt body (1) is in a cross shape, a plurality of cavities (6) are formed in the middle of the main belt body (1), and separation seams (7) are formed between the cavities (6).

2. A rear-mounted semi-self-adhesive cross-shaped buried water stop structure according to claim 1, characterized in that: the main belt body (1) comprises an upper convex body (2), a lower convex body (3), a left convex body (4) and a right convex body (5), wherein the upper convex body (2) is in a cross shape, the left convex body (4) and the right convex body (5) are in a cross shape together, the left convex body (4) is fixedly connected with a pre-pouring structure, and the right convex body (5) is fixedly connected with a post-pouring mechanism.

3. A rear-mounted semi-self-adhesive cross-shaped buried water stop structure according to claim 2, characterized in that: the upper part of the upper convex body (2) is longer than the lower part of the upper convex body (2).

4. A rear-mounted semi-self-adhesive cross-shaped buried water stop structure according to claim 3, wherein: the upper length of the lower convex body (3) is smaller than the lower length of the lower convex body (3).

5. A rear-mounted semi-self-adhesive cross-shaped buried water stop structure according to claim 2, characterized in that: the outer end of the left convex body (4) is provided with a structural adhesive layer (8).

6. A rear-mounted semi-self-adhesive cross-shaped buried water stop structure according to claim 2, characterized in that: a reserved groove is formed in the pre-pouring structure, and a structural adhesive layer (8) is arranged in the reserved groove.

7. A rear mounted semi-self-adhesive cross-shaped buried water stop structure according to claim 5, wherein: the left convex body (4) is trapezoid, round or elliptic.

8. A rear mounted semi-self-adhesive cross-shaped buried water stop structure according to claim 7, wherein: the right convex body (5) is trapezoid, round or elliptic.

9. A rear mounted semi-self-adhesive cross-shaped buried water stop structure according to claim 8, wherein: the outer end of the right convex body (5) is provided with a self-adhesive layer (9).

10. A rear mounted semi-self-adhesive cross-shaped buried water stop structure according to claim 9, wherein: the outer side surface of the self-adhesive layer (9) is provided with an isolation protection film (10).

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